master 62636ea3c1: Fix disabling frame synchronization on child frames

[Po Lu]

branch: master
commit 62636ea3c1198fe0232842f73dead608a96de171
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Fix disabling frame synchronization on child frames
    
    * src/xfns.c (Fx_create_frame): Disable GTK 3's own frame
    synchronization on child frames, since the CM doesn't send
    synchronization events to them.
---
 src/xfns.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/xfns.c b/src/xfns.c
index 6eddf3a494..7b5273e280 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -4551,6 +4551,9 @@ This function is an internal primitive--use `make-frame' 
instead.  */)
   struct x_display_info *dpyinfo = NULL;
   Lisp_Object parent, parent_frame;
   struct kboard *kb;
+#ifdef HAVE_GTK3
+  GdkWindow *gwin;
+#endif
 
   parms = Fcopy_alist (parms);
 
@@ -4977,6 +4980,10 @@ This function is an internal primitive--use `make-frame' 
instead.  */)
       if (EQ (x_gtk_resize_child_frames, Qresize_mode))
        gtk_container_set_resize_mode
          (GTK_CONTAINER (FRAME_GTK_OUTER_WIDGET (f)), GTK_RESIZE_IMMEDIATE);
+#endif
+#ifdef HAVE_GTK3
+      gwin = gtk_widget_get_window (FRAME_GTK_OUTER_WIDGET (f));
+      gdk_x11_window_set_frame_sync_enabled (gwin, false);
 #endif
       unblock_input ();
     }